GB1545779A - Cold forming of a re-entrant surface in an outer surface of a slug of ductile material - Google Patents

Cold forming of a re-entrant surface in an outer surface of a slug of ductile material

Info

Publication number
GB1545779A
GB1545779A GB47041/75A GB4704175A GB1545779A GB 1545779 A GB1545779 A GB 1545779A GB 47041/75 A GB47041/75 A GB 47041/75A GB 4704175 A GB4704175 A GB 4704175A GB 1545779 A GB1545779 A GB 1545779A
Authority
GB
United Kingdom
Prior art keywords
slug
cold forming
ductile material
entrant
entrant surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB47041/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Post Office
Original Assignee
Post Office
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Post Office filed Critical Post Office
Priority to GB47041/75A priority Critical patent/GB1545779A/en
Priority to DE7635081U priority patent/DE7635081U1/en
Publication of GB1545779A publication Critical patent/GB1545779A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/14—Ejecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
GB47041/75A 1975-11-14 1975-11-14 Cold forming of a re-entrant surface in an outer surface of a slug of ductile material Expired GB1545779A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB47041/75A GB1545779A (en) 1975-11-14 1975-11-14 Cold forming of a re-entrant surface in an outer surface of a slug of ductile material
DE7635081U DE7635081U1 (en) 1975-11-14 1976-11-05 DEVICE FOR COLD FORMING A BLANK MADE OF DUCTILE MATERIAL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47041/75A GB1545779A (en) 1975-11-14 1975-11-14 Cold forming of a re-entrant surface in an outer surface of a slug of ductile material

Publications (1)

Publication Number Publication Date
GB1545779A true GB1545779A (en) 1979-05-16

Family

ID=10443489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47041/75A Expired GB1545779A (en) 1975-11-14 1975-11-14 Cold forming of a re-entrant surface in an outer surface of a slug of ductile material

Country Status (2)

Country Link
DE (1) DE7635081U1 (en)
GB (1) GB1545779A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056241A (en) * 2013-02-01 2013-04-24 郑州机械研究所 Material returning and discharging device
CN104275413A (en) * 2014-10-27 2015-01-14 合肥市东庐机械制造有限公司 Stamping die with ejection device and with accurate positioning function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056241A (en) * 2013-02-01 2013-04-24 郑州机械研究所 Material returning and discharging device
CN103056241B (en) * 2013-02-01 2015-03-18 郑州机械研究所 Material returning and discharging device
CN104275413A (en) * 2014-10-27 2015-01-14 合肥市东庐机械制造有限公司 Stamping die with ejection device and with accurate positioning function

Also Published As

Publication number Publication date
DE7635081U1 (en) 1977-02-24

Similar Documents

Publication Publication Date Title
JPS52117861A (en) Method of rolling hhshaped metal material
JPS5250376A (en) Method of forming metallic film
JPS539260A (en) Metal forming die
JPS5379601A (en) Method of forming halftome plate
JPS528972A (en) Method of metal forming
JPS52134217A (en) Connection portion material of metallic portion
JPS5524928A (en) Forming of covering on metal base
JPS5334630A (en) Production method of metallic film
JPS53125960A (en) Forming method of material with stepped through hole
JPS51126223A (en) Method of forming coat on metallic materials
JPS5268029A (en) Method of manufacturing conposite metallic materials
JPS533460A (en) Method of manufacture of decorated metal sheet
JPS51115571A (en) Method of manufacturing polyester film
JPS5375133A (en) Method of forming surface film of metal base material
JPS5618965A (en) Papaverine carbanion and its manufacture
JPS538354A (en) Method of fabricating metal decorative plate
JPS525622A (en) Forming metal dies
JPS5372059A (en) Method of making highhbright aluminum material
JPS51132155A (en) Method of producing lubricating metal material
GB1549238A (en) Dodecenoic and dedecadienoic acids and preparation thereof
JPS5397934A (en) Method of forming metal film on base material surface
JPS5357134A (en) Continuous method of ionndescaling metal material
JPS5397942A (en) Method of forming pattern of aluminium material
JPS51134323A (en) Metal die
GB1546806A (en) Forming layers of material

Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee